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Web page last revised: 09/25/2014 at 1540. Please check back often for updates.
Background: In close cooperation with Maule Air, Inc., Power Flow Systems, Inc. (PFS) has developed a new Tuned Exhaust System for the 4 cylinder Maules. To get the best possible results required essentially a "clean-sheet" design to fit our system inside the tight confines of the Maule's cowling while accommodating the necessary exhaust tube length for maximum performance.
The exhaust and certification are currently planned for all Maules configured with the Lycoming O-360 and O-320 engines (both landing gear configurations.)
To see the performance gains, please click on the "Benefits" tab just above this text. Or you can download some performance charts showing the performance increases, click here: Maule Exhaust Comparison (PDF)
Due to the unique design and relatively "select" market group, we do not want to fully commit to the high cost of obtaining FAA certification and the fabrication of production tooling unless a significant number of Maule owners commit to the purchase of the resulting STC'd Tuned Exhaust System. We have developed a pre-production deposit agreement that is intended to reward those Maule owners who are willing to work with us to bring the project to fruition with a significantly lower net price for the STC'd Tuned Exhaust System for their aircraft.
Because of the high costs of FAA certification and production tooling, the exhaust system has a projected Price of $4,895.00. As Power Flow has done successfully with two other "limited market" airframes (The Cessna Cardinal RG in 2008 and the Aviat Husky in 2010), we are willing to devote the resources required to complete the FAA STC process AS LONG AS a minimum number of Maule owners (35) are willing to commit to the purchase of the exhaust system after it is certified. As an example, we went to the C177RG owners and asked for 30 commitments (certification costs were lower in 2008 and the potential market was larger). We had 54 commitments by the end of the pre-STC offer period! Five years later we have shipped over 145 C177RG exhausts worldwide, so the program can really work out for everyone's benefit.
We are looking for at least 35 owners who would commit to buying an exhaust system at a discounted price of $4,395.00. A contract would be signed and would require an initial deposit amount of $750.00. Another payment of $750.00 is due when the FAA project number is assigned. Once the FAA STC is issued, an additional $1,500.00 is due, with the balance due upon shipping.
We are offering increased discounts (to a maximum of $800.00) as additional deposit holders commit before December 31, 2014. The more orders we have, the lower our risks become and the more money everyone can save. The number of deposit holders is published on our website and we will have periodic updates on the status of the program.
We will begin the certification project as soon as we obtain 35 signed, deposit backed commitments. The Pre-STC discount offer will be valid until December 31, 2014, and the final discount amount will be based on the number of signed, deposit backed commitments we have on that date.
Our Exhaust systems have always had a no hassle, 60 day, money back guarantee. Skepticism is healthy - we put our money where our mouth is. If a customer isn't totally happy, they can return the exhaust system for a complete refund of the purchase price up to 60 days after first flight. We aren't aware of any other modification company out there that will do that.
NEW! See our Video - copy the following link into your browser
Power Flow Tuned Exhaust
20.1 inches/2300 RPM 134 (115 indicated) @ 8.2 GPH (saved 0.85 GPH at same speed)
The average rate of climb increase from 1000 MSL to 8500 MSL was 12% faster with the Power Flow equipped aircraft with the mixture set at full rich and climbing at 90 MPH. The gain in performance improved with altitude.
MINIMUM PERFORMANCE GUARANTEE FROM TABLE A OF DEPOSIT AGREEMENT:
How will I know how many deposits you have received?
On the news item section of our website, www.powerflowsystems.com, we have established a counter which will be updated as we receive deposits.
When will the exhaust system be certified?
We cannot predict a date. In the past, we have been able to certify and bring to market an exhaust design within 12 months of seeking FAA approval. However, prior experience is not a guarantee or accurate predictor of future success. It is in our best interests to bring the exhaust to the market as rapidly as possible.
Will Power Flow certify the exhaust for other countries/regions such as Europe?
The initial product will only be certified for US (N registered aircraft) and Canada.
We will accept deposits for non US registered aircraft if their country of aircraft registration will accept the FAA STC without any additional requirements or validation.
We will consider the European market based upon the interest received. The retail price will likely be higher than the US to reflect the cost of additional certification required by EASA. EASA registered Maule aircraft owners will be posted on a separate notification list.
Why is the price for this Tuned Exhaust System more expensive than some of your kits for other aircraft?
Compared to the other certified aircraft for which we have developed STC'd kits, the potential market of 4 cylinder Maule aircraft is relatively small. The development, testing, certification and tooling costs increase over time (in today's dollars) as compared to previous STCs. These costs need to be absorbed by a smaller number of kits - the Maule market.
Cost of certification continues to climb. This affects the end unit price as we have to spread those costs out over a certain number of aircraft to provide a reasonable rate of return for the risks we incur.
How can I pay for the deposit?
We prefer major credit cards, but will also accept checks & money orders.
If I choose not to take delivery of the exhaust after I have paid the non-refundable deposits, do I have any additional options?
Yes, you are able to make a one-time transfer of your deposit slot at which time you must notify us of your intentions. We will not refund your deposit; the new purchasing party will be responsible for compensating you for your deposit(s). Upon your authorization, we will change the name of the deposit holder from your name to the new customer's name. You have no more than 60 days from notification that your exhaust is ready in which to complete this process or else your deposit(s) are considered forfeit under the terms of section 5.
Will my deposit money be put into an escrow?
No. The cost to set-up, manage and administer the escrow adds levels of complexity and cost to this project. In part, this is why we are require relatively small earnest money deposits on the exhaust and encouraging the use of credit cards to make those deposits. Use of a credit card adds additional consumer protections.
If I have international currency, will you wait to take payment until the exchange rate is good?
Regardless of currency, payment is due as described in the above agreement. If you are worried about the exchange rate changing, we would suggest setting up a bank account in US funds.
What if I am not able to pay the final balance prior to the scheduled ship date?
Should this situation occur, you will be moved to the end of the pre-production line or will be provided with a 60 day grace period (whichever is more beneficial to you).
What if the STC'd Tuned Exhaust System which is ultimately produced by PFS is not compatible with my airframe &/or engine configuration, is my deposit refunded?
Yes, this is stated earlier in the agreement as one of the three conditions under which your deposit is refundable. Initial certification is planned for Maule's configured with the O-320 and Lycoming O-360 engine.
Pre-production pricing (expires December 31, 2014): Deposit holder discount is guaranteed regardless of final price. If the final retail price is lower than projected, the deposit holder price will be adjusted down to reflect the same dollar amount of savings shown in the table below.
Offer Basis: All deposits received prior to December 31, 2014, receive a pre-production pricing discount as outlined below. Every deposit holder saves when a new price point is reached.
Pre-STC Discount Pricing
List Price for a Complete, Certified Kit: $4,895.00 for Polished / $5,095 for Ceramic
Number of Depositors
Pre-STC Price Polished
Pre-STC Price Ceramic
35 - 39
40 - 49
50 - 59
Prices are in US Dollars and do not include shipping/handling.
Payment requirements: An initial $750.00 earnest money deposit is required to place an order and reserve a system at the discounted price. Once Power Flow commits to starting the STC program and receives an FAA project number, an additional deposit of $750.00 is due. Upon receipt of FAA Certification by Power Flow, an additional deposit of $1,500.00 is required within 30 days. The balance is due prior to exhaust shipment and not later than 60 days after the date Power Flow advised that the exhaust system will be ready to ship. Deposits are non-refundable, except for the specific reasons listed in paragraph 6.5 below.
Production slots are first come first served, based upon the date of receipt of signed deposit agreement and $750.00 earnest money deposit. The only way to receive a system sooner than your production slot is to come to Power Flow's Daytona Beach facility for installation. We typically install systems on a minimum of 3 aircraft prior to releasing a new product for outside shipment to minimize field installation challenges.
By placing a deposit, you are agreeing to the following:
Your $750.00 earnest money deposit is non refundable except for the three specific reasons listed in paragraph 6.5 below. It is due and will be charged upon completion of this agreement and this agreement is not valid until this money is deposited by Power Flow. Failure to make timely payments in accordance with the payment schedule outlined in 4.2 will result in the loss of your deposit and production slot.
Additional deposits are also non-refundable except for the same three specific reasons. You will be contacted at each project milestone by email or telephone. Failure to make payment within the agreed timeframe forfeits your deposit, discounted pricing, and delivery slot.
You will be contacted with your estimated shipping date once parts are in full production and we have completed several local installations. The balance will be due before your new Tuned Exhaust System ships or, in the event of a customer requested delay, not later than 60 days after your scheduled shipping date.
You must take delivery within 60 days of your scheduled ship date or forfeit all deposits.
Power Flow Systems, Inc. agrees to:
Use its best efforts to develop and obtain FAA approval to manufacture a Tuned Exhaust System for the 4 cylinder Maule.
Guarantee minimum performance improvements from the PFS exhaust as outlined in "Table A" attached below.
Deliver a complete, high quality Tuned Exhaust System, STC'd for the deposit holder's aircraft.
Deliver a Tuned Exhaust Systems that will be covered by Power Flow's standard 60 Day Money Back Guarantee entitling deposit holder to a complete refund of the purchase price paid for the Tuned Exhaust System, not including Shipping, Handling or Installation charges, within 60 days of the installation of the System on the deposit holder's aircraft as evidenced by the appropriate entry in the aircraft log book.
Specific, Limited conditions for Refund:
PFS will retain any deposits paid under this Agreement unless:
If PFS decides to not bring the product to market or to complete the STC certification.
PFS decides to not produce the exhaust or ceases production of the Tuned Exhaust for the 4 cylinder Maule.
PFS does not certify or produce a product for deposit holder's specific aircraft or engine configuration.
Deposit, in accordance with Deposit program terms and conditions:
Price: $750.00. Must also submit signed copy of the agreement in order to be valid.
Power Flow Systems has a 100% customer satisfaction guarantee. If within 60 days from the date of the first flight after installation the customer is dissatisfied for any reason, they can return the system to Power Flow Systems and they will be entitled to a full refund of the purchase price of the system (exclusive of shipping charges and labor) once the system has been received and inspected by Power Flow Systems. Inspection will take place within five (5) days from the return of the system, and an adjustment to the refund amount will be made for any parts missing or damaged. If the original payment was made on a credit card, it will be refunded to the same credit card, if by check, company check will be issued.
The warranties provided by Power Flow Systems, Inc. in this Statement of Limited Warranty apply only to Exhaust Systems you purchase for your use, and not for resale, and not from Exhaust Systems that are acquired through transfer of ownership. Installation and use of the Exhaust System constitutes your agreement with the terms of this warranty. The term “Exhaust System” means a Power Flow Systems, Inc. exhaust system, its upgrades, elements or combination of them. Nothing in this Statement of Limited Warranty affects any statutory rights of consumers that cannot be waived or limited by contract. If you have any questions, please contact Power Flow Systems, Inc.
The Power Flow Systems, Inc. Warranty for Exhaust Systems
Power Flow Systems, Inc. warrants under normal use and service that each exhaust system is 1) free from defects in materials and workmanship and 2) conforms to FAA regulations where applicable. The warranty period for an Exhaust System is a specified, fixed period commencing on the Date of Installation. The date on your log book entry is the Date of Installation unless Power Flow Systems, Inc. or the Reseller informs you otherwise.
If an Exhaust System does not function as warranted during the warranty period, and Power Flow Systems, Inc. or your Reseller are unable to either 1) make it do so or 2) replace it with one that is functionally equivalent, you may return it to your place of purchase and your money will be refunded.
Extent of Warranty
The warranty does not cover the repair or exchange of a Power Flow Systems, Inc. exhaust system resulting from misuse, accident, modification, installation errors, unsuitable physical or operating environment, improper maintenance by you, installation not performed in accordance with our current and approved installation instructions or failure caused by a product for which Power Flow Systems, Inc. is not responsible. Power Flow Systems, Inc. reserves the right to deny any warranty claim.
THIS LIMITED WARRANTY IS EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES OR CONDITIONS, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THESE WARRANTIES GIVE YOU SPECIFIC LEGAL RIGHTS AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM JURISDICTION TO JURISDICTION. SOME JURISDICTIONS DO NOT ALLOW THE EXCLUSION OR LIMITATION OF EXPRESS OR IMPLIED WARRANTIES, SO THE ABOVE EXCLUSION OR LIMITATION MAY NOT APPLY TO YOU. IN THAT EVENT, SUCH WARRANTIES ARE LIMITED IN DURATION TO THE WARRANTY PERIOD. NO WARRANTIES APPLY AFTER THAT PERIOD.
Items Not Covered by Warranty
Power Flow Systems, Inc. does not warrant Exhaust Systems where end-users attempt to extract a Power Flow exhaust system from a third-party consumer. End-users, who chose to do this, do so at their own risk.
Power Flow Systems, Inc. Exhaust Systems may or may not fit once removed from the aircraft for which it was originally intended.
Power Flow Systems, Inc. does not warrant any outside labor costs associated with the installation, removal, inspection, repair or other considerations of the Exhaust System.
Any technical or other support provided for a Power Flow Systems, Inc. Exhaust System under warranty, such as assistance via telephone with “how-to” questions and those regarding Exhaust System set-up and installation, will be provided without warranties of any kind. Ultimately, it is the responsibility of the installer, A&P with inspection authority or equivalent, to determine the airworthiness of the installation in accordance with FAA regulations.
If during the warranty period, the Power Flow Systems, Inc. Exhaust System is not in good working order, Power Flow Systems, Inc. will, at its sole discretion, repair or replace it at no additional charge, provided that:
the vibration level of the engine and propeller does not exceed 0.2 IPS at a minimum of 2,000RPM (confirmed by a dynamic balance).
the Power Flow Systems, Inc. Exhaust System is installed on an airworthy engine.
the exhaust is in compliance with our Instructions for Continued Airworthiness Instructions (ICAW).
the Power Flow Systems, Inc. Exhaust System is installed on the designated aircraft it was purchased for.
During the warranty period, if warranty service is required, you may be required to acquire a dynamic balance for further investigation.
To obtain warranty service for an Exhaust System, contact Power Flow Systems, Inc. directly within thirty (30) days of defect discovery. Failure to do so and/or using a third-party for repairs or service will void the warranty. You may be required to present proof of purchase and log book entries. You are also responsible for returning the defective Exhaust System or Exhaust System component to Power Flow Systems, Inc. at your cost. Power Flow Systems, Inc. will not reimburse these shipping costs or any outside labor costs that may be associated with the installation, removal, inspection or repair of the Exhaust System.
Power Flow Systems, Inc. will pay for the outbound shipping expense (UPS ground or other non- expedited freight service) from our facility to the customer, but will not pay for shipments inbound to our facility for warranty repair.
1 Year or 500 Tach Hours whichever comes first.
Power Flow Systems, Inc. parts, Power Flow Systems, Inc. labor and shipping replacement to customer only.
Limitation of Liability
NEITHER Power Flow Systems, Inc. NOR ITS SUPPLIERS SHALL BE LIABLE FOR INCIDENTAL, CONSEQUENTIAL, INDIRECT, SPECIAL, OR PUNITIVE DAMAGES OF ANY KIND, LOSS OF INFORMATION OR DATA, OR OTHER FINANCIAL LOSS ARISING OUT OF OR CONNECTION WITH THE SALE OR USE OF THIS PRODUCT, WHETHER BASED IN CONTRACT, TORT (INCLUDING NEGLIGENCE) OR ANY OTHER THEORY, EVEN IF Power Flow Systems, Inc. HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. Power Flow Systems, Inc. ENTIRE LIABILITY SHALL BE LIMITED TO REPLACEMENT, REPAIR, OR REFUND OF THE PURCHASE PRICE PAID, AT Power Flow Systems, Inc.’s OPTION.