dB Performance Downpipe
- Mandrel-bent 4 inch tube provides outstanding flow
- Durable stainless steel construction
- Reduces back-pressure and increases power
- Off-road use only
- Made in the USA - Berea, OH
Let your Cummins or Duramax breathe freely with a dB performance downpipe. Reducing wasteful back-pressure in your diesel engine allows your turbo to spool faster, reducing turbo-lag. The massive mandrel-bent four inch tube will have your turbo screaming for joy!
Corsa proudly manufactures their diesel downpipes in the USA using T-304 stainless steel.
10 Year Warranty
TMG Performance Products, LLC (dB Performance Exhausts®) believes in maintaining a high level of customer service and satisfaction.
TMG Performance Products, LLC (dB Performance Exhausts®) warrants to the original retail purchaser with proof of purchase for warranty determination that its products are free from defects in material and workmanship for up to 10-years, while purchaser owns the vehicle upon which such product(s) were originally installed. dB Performance Exhausts® obligation under this warranty shall be limited to the repair or replacement of parts that are determined by dB Performance Exhausts® to be defective, or refund of the products original purchase price, at dB Performance Exhausts® option, of the alleged defective product. We pledge that if at any time you encounter a problem with our products, we will strive to correct the problem in the most timely and efficient way possible, subject to the terms, conditions and limitations contained herein. This warranty does not extend to damaged or defect in the finish of a product or to any product, that in the opinion of dB Performance Exhausts®, has been misused, damaged by accident or, negligence, altered, or modified in any way, installed contrary to dB Performance Exhausts® installation instructions, or repaired by an unauthorized service facility. dB Performance Exhausts makes no warranty for products installed on vehicles used for race or competition purposes. In order to make a claim under this warranty or receive service, purchaser/installer must within thirty (30) days after discovery of the defect or condition, first contact dB Performance Exhausts® and request product return instructions and authorization for a return. After receiving an assigned Return Goods Authorization number, purchaser/installer must return alleged defective product pre-paid along with original dated proof of purchase sales receipt and a written description of the alleged problem/defect to dB Performance Exhausts® (address below). Return Goods Authorization (RGA) number MUST be clearly marked on the return package and ALL return paperwork. Please be sure to package returned product in a manner which will ensure it’s safe, undamaged return to dB Performance Exhausts for warranty inspection. Any product returned for warranty claim and found NOT to be defective in materials or workmanship will be returned to the purchaser/installer at their charge and will result in a full charge for any replacement parts that have been shipped against that particular warranty claim. Please contact dB Performance Exhausts for any additional questions.
NO OTHER WARRANTY, EXPRESSED OR IMPLIED, IS APPLICABLE TO THIS PRODUCT. TMG PERFORMANCE PRODUCTS, LLC (dB Performance Exhausts®) SHALL NOT BE LIABLE FOR THE LOSS OF USE OF THE PRODUCT, INCONVENIENCE, ACTUAL OR ALLEGED DAMAGES WHETHER DIRECT OR INDIRECT OF ANY KIND, INCLUDING LIABILITY FOR SPECIAL, INCIDENTAL, CONSEQUENTIAL OR PUNITIVE DAMAGES, ARISING OUT OF THE USE OF, OR INABILITY TO USE THE PRODUCT, ACTUAL OR ALLEGED LABOR, INCLUDING THE COST OF REMOVING ANY PART, INSTALLATION, REINSTALLATION, FREIGHT CHARGES, TRANSPORTATION, OR OTHER RELATED CHARGES, OR FOR ANY BREACH OF ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE WHICH WOULD OTHERWISE BE APPLICABLE TO THIS PRODUCT. Some states do not permit limitation or exclusion of implied warranties; therefore, the aforesaid limitation(s) or exclusion(s) may not apply to the purchaser. This warranty gives you specific legal rights and you may also have other rights which may vary from state to state.
Specifications, materials, components, color, finish, model changes, availability, and prices are subject to change without notice.
dB Performance Exhausts® makes no representation or warranty, express or implied that its products comply with federal, state, or local emission levels, noise levels, or safety standards. The purchaser assumes all responsibility for such use and compliance.
dB Performance downpipes are a direct-fit replacement. No welding is required.