977 results for 'Race Headers'

Inject new life into your M235i with a perfect high-flow catted downpipe! Genuine 200-cell HJS HD catalyst instantly adds a staggering 21 whp and 36 ft/lbs of torque at 3000 RPM without triggering a...

Meet the strictest of emissions standards while freeing up power with an HJS 300-cell catalyst downpipe.            This downpipe is produced by HJS themselves as a solution to meet the strict...

Direct replacement/upgrade for the stock OEM ceramic restrictive catalytic converters, bolt-on Ultra High Flow HJS catalytic converters. FEATURES: Fits Porsche E3 Cayenne S 2.9L Twin Turbo Models...

Replace the worn-out or broken core of your factory Ferrari 328 catalytic converter(s) with a new high-performance HJS tri-metallic catalytic converter core. FEATURES: Fabspeed Motorsport can...

Replace the worn-out or broken core of your factory McLaren catalytic converter(s) with a new high-performance HJS tri-metallic catalytic converter core. FEATURES: Fabspeed Motorsport can replace...

Eliminate the heavy and restrictive factory catalytic converters with high flowing stainless steel sport catalytic converter downpipes for maximum power and an exhilarating sound. Fabspeed's direct...

Replace the restrictive factory catalytic converters with high-performance 200-cell HJS Sport Cats for maximum performance and sound. SOUND: These Sport Cats will give your F355 a mild but...

HJS German-imported 200-cell HJS HD Sport Cats increase exhaust flow for better power and throttle response and improved sports car sound.                                                   FEATURES:

Replace the worn-out or broken core of your factory Ferrari catalytic converter(s) with a new high-performance HJS tri-metallic catalytic converter core. FEATURES: Fabspeed Motorsport can replace the...

Genuine HJS Tuning catalytic converter cores for replacement/upgrade of restrictive factory cats.  This is an individual catalyst; welding required.                                        ...

Replace the worn-out or broken core of your factory Ferrari catalytic converter(s) with a new high-performance HJS tri-metallic catalytic converter core. FEATURES: Fabspeed Motorsport can replace the...

Meet the strictest of emissions standards while freeing up power with an HJS 200-cell Euro 6 sport catalyst downpipe.            This downpipe is produced by HJS themselves as a solution to meet the...

 Fits All of the Porsche 992s, along with the 2020+ 992 Gt3 The Porsche 992 Carbon Fiber Rear Roof Spoiler OEM fitment and quality. This item is constructed as replacement part and is designed to...

Replace the worn-out or broken core of your factory Porsche catalytic converter(s) with a new high-performance HJS tri-metallic catalytic converter core. FEATURES: Fabspeed Motorsport can replace...

Replace the worn-out or broken core of your factory Porsche catalytic converter(s) with a new high-performance HJS tri-metallic catalytic converter core. FEATURES: Fabspeed Motorsport can replace...

Replace the worn-out or broken core of your factory Porsche catalytic converter(s) with a new high-performance HJS tri-metallic catalytic converter core. FEATURES: Fabspeed Motorsport can replace...

High-performance 200-cell HJS catalytic converters replace the restrictive factory primary catalytic converters for increased exhaust flow and improved power and sound. SOUND: Expect a mild but...

Replace the worn-out or broken core of your factory Ferrari catalytic converter(s) with a new high-performance HJS tri-metallic catalytic converter core.                                     FEATURES:

Replace the worn-out or broken core of your factory Ferrari catalytic converter(s) with a new high-performance HJS tri-metallic catalytic converter core. FEATURES: Fabspeed Motorsport can replace the...

Genuine HJS Tuning catalytic converter cores for replacement/upgrade of restrictive factory cats.  This is an individual catalyst; welding required.                                        ...