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Tri-Y Design: Paired opposite firing cylinders with equal, specifically tuned primary lengths maximizes scavenging and increases torque throughout the power band. High-Flow Cat: This...
AllBest selling productsCommerceinstruments Best Selling ProductsExhaust Manifolds & HeadersExhaustsNew products
Tri-Y Design: Paired opposite firing cylinders with equal, specifically tuned primary lengths maximizes scavenging and increases torque throughout the power band. 304 Stainless Steel...
AllBest selling productsCommerceinstruments Best Selling ProductsExhaust Manifolds & HeadersExhaustsNew products
Advanced Flow Engineering, Inc. (aFe) produces high flow, high performance air filters & intake systems for the automotive industry. Founded in April, 1999, aFe...
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TIG-Welded: 100% TIG-Welded by certified craftsmen for race proven strength and durability. TIG-Welding provides the strongest welds reducing stress cracks. Brushed 304 SS Construction:...
AllBest selling productsCommerceinstruments Best Selling ProductsExhaust Manifolds & HeadersExhaustsNew products
This system is constructed of 3 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. Includes high flow catalytic converters which are...
AllBest selling productsCommerceinstruments Best Selling ProductsExhaust Manifolds & HeadersExhaustsNew products
Long Tube Headers: Formed Collectors: 3-to-1 mitered collectors decrease turbulence and increases exhaust velocity. The result is increased horsepower, torque and improved throttle response....
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This system is constructed of 1-5/8 IN mandrel-bent 409 stainless steel tubing for maximum strength and durability. Factory style laser cut machined flanges are...
AllBest selling productsCommerceinstruments Best Selling ProductsExhaust Manifolds & HeadersExhaustsNew products
This system is constructed of 1-5/8 IN - 2-1/2 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. Includes dual EPA compliant...
AllBest selling productsCommerceinstruments Best Selling ProductsExhaust Manifolds & HeadersExhaustsNew products
This system is constructed of 1-5/8 IN mandrel-bent 409 stainless steel tubing for maximum strength and durability. Includes dual high flow catalytic converters which...
AllBest selling productsCommerceinstruments Best Selling ProductsExhaust Manifolds & HeadersExhaustsNew products
Introducing the JDMuscle 22+ WRX YDYBB Unequal Length Header – the ultimate performance upgrade for your Subaru WRX. Crafted with precision using high-quality SS304...
IAG's Equal Length Headers are the perfect way to add more performance to your Subaru WRX STI. By implementing a 4-2-1 configuration with equal-length...
AllBest selling productsCommerceinstruments Best Selling ProductsExhaust Manifolds & HeadersExhaustsNew products
1-5/8 IN 304 Stainless Steel Construction:This system is constructed of 1-5/8 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. Installation:Utilizing factory...
All products sold by Patterson Performance Parts, LLC are intended for off-road and/or competition use only. By purchasing aftermarket products from us, having us install the products, or both, the customer takes full responsibility for any use, and/or misuse of the product; and agrees that Patterson Performance Parts holds no responsibility for any consequences, legal, or other, of such use and/or misuse.
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