# ? XS-POWER • SSAUTOCHROME • BLACK PANTHER MOTORSPORTS ? # AUDI B6 B7 S4 4.2L V8 LONG TUBE HEADERS & DOWNPIPES ## ? BUILT FOR PEOPLE WHO THINK THE STOCK S4 IS TOO QUIET ? If you're looking to wake up your Audi 4.2L V8 and eliminate the restrictive factory exhaust manifolds, you've found the solution. The XS-POWER Long Tube Header & Downpipe System for the Audi B6/B7 S4 was designed for enthusiasts who want maximum exhaust flow, aggressive V8 sound, improved throttle response, and serious performance without paying ridiculous premium-brand prices. This complete off-road system includes both long tube headers and downpipes that connect directly to your cat-back exhaust system. No catalytic converters. No restrictions. Just V8 sound and performance. --- ## ? WHY UPGRADE? The factory manifolds are restrictive and heavy. The XS-POWER long tube design allows exhaust gases to exit the cylinders more efficiently, reducing backpressure and improving overall engine breathing. Benefits include: ✔ Improved Exhaust Flow ✔ Reduced Backpressure ✔ Increased Throttle Response ✔ Improved High RPM Performance ✔ Aggressive V8 Exhaust Note ✔ Significant Weight Reduction Compared To OEM Components ✔ Excellent Foundation For Future Performance Upgrades --- ## ⚙️ PREMIUM STAINLESS STEEL CONSTRUCTION Unlike many budget systems using thin materials, these headers are built using premium stainless steel components designed to survive extreme heat and abuse. ### FLANGES ✔ 321 Stainless Steel ✔ Massive 12mm Thick CNC Machined Flanges ✔ Excellent Heat Resistance ✔ Reduced Warping Potential ### TUBING ✔ 304 Stainless Steel Construction ✔ 1.9mm Thick Wall Tubing ✔ Smooth Internal Flow Characteristics ✔ Long Service Life --- ## ? TECHNICAL SPECIFICATIONS Vehicle Fitment: • Audi B6 S4 4.2L V8 • Audi B7 S4 4.2L V8 Header Design: • Long Tube Header System Material: • 304 Stainless Steel Tubing • 321 Stainless Steel Flanges Flange Thickness: • 12mm Tubing Thickness: • 1.9mm System Type: • Off-Road Design • No Catalytic Converters Connection: • Headers & Downpipes Connect To Cat-Back System O2 Sensor Extensions: • Required --- ## ? WHAT'S INCLUDED? ✔ Driver Side Long Tube Header ✔ Passenger Side Long Tube Header ✔ Driver Side Downpipe ✔ Passenger Side Downpipe ✔ Hardware As Supplied ✔ Brand New In Box --- ## ? INSTALLATION NOTES Professional installation is strongly recommended. O2 sensor extension harnesses are required. Depending on vehicle and installation setup, minor transmission mount massaging may be required. As with most performance exhaust systems, fitment should be verified before final tightening of all hardware. --- ## ? OFF-ROAD USE ONLY This system is designed for off-road and competition use. Catalytic converters are removed for maximum exhaust flow. Buyer is responsible for compliance with local emissions regulations. --- ## ? WORLDWIDE SHIPPING AVAILABLE USA Canada Australia New Zealand Germany France Italy Netherlands Sweden Norway Finland Austria United Kingdom UAE Bahrain Saudi Arabia And Many More --- ## WHY BUY XS-POWER? ✔ Proven Worldwide ✔ Premium Stainless Construction ✔ Performance Without The Performance Tax ✔ Fast Shipping ✔ Trusted By Enthusiasts Worldwide ✔ Built For Real Performance --- ## PAGE TITLE Audi B6 B7 S4 4.2L V8 Long Tube Headers & Downpipes | XS-POWER --- ## META DESCRIPTION Upgrade your Audi B6/B7 S4 4.2L V8 with XS-POWER Long Tube Headers & Downpipes. Built from 304 stainless steel with 12mm thick 321 stainless flanges for improved exhaust flow, aggressive V8 sound, and serious off-road performance. --- ## SEARCH KEYWORDS Audi B6 S4 Headers Audi B7 S4 Headers Audi S4 Long Tube Headers Audi S4 Exhaust Headers Audi 4.2 V8 Headers Audi 4.2L Performance Headers Audi S4 Downpipes Audi B6 S4 Exhaust Upgrade Audi B7 S4 Exhaust Upgrade Audi Quattro Headers Audi V8 Exhaust Audi S4 Stainless Headers Audi S4 Performance Exhaust Audi S4 Off Road Headers Audi Long Tube Exhaust Manifold Audi S4 Cat Delete Headers Audi 4.2 V8 Exhaust Manifold XS-POWER Audi Headers SSAutochrome Audi Headers Black Panther Motorsports Audi --- ## IMAGE ALT TEXT XS-POWER Audi B6 B7 S4 4.2L V8 Long Tube Headers and Downpipes manufactured from 304 stainless steel with heavy-duty 12mm thick 321 stainless flanges for maximum exhaust flow and performance. --- ## HASHTAGS #AudiS4 #B6S4 #B7S4 #Audi42V8 #AudiV8 #AudiPerformance #AudiHeaders #LongTubeHeaders #AudiExhaust #AudiQuattro #EuroPerformance #GermanPerformance #V8Power #PerformanceExhaust #StainlessHeaders #AudiBuild #AudiLife #CarMods #PerformanceParts #XSPOWER #SSAutochrome #BlackPantherMotorsports #BPM #OffRoadUseOnly #TrackCar #RaceCar #AudiTuning #ExhaustUpgrade #V8Sound #BuiltNotBought

PAGE TITLE Audi B6 B7 S4 4.2L V8 Long Tube Headers & Downpipes | XS-POWER --- META DESCRIPTION Upgrade your Audi B6/B7 S4 4.2L V8 with XS-POWER Long Tube Headers & Downpipes. 304 stainless steel construction, 321 stainless 12mm flanges, improved exhaust flow, aggressive V8 sound, and off-road performance. --- SEARCH KEYWORDS Audi B6 S4 Headers, Audi B7 S4 Headers, Audi S4 Long Tube Headers, Audi S4 Exhaust Headers, Audi 4.2 V8 Headers, Audi 4.2L Performance Headers, Audi S4 Downpipes, Audi B6 S4 Exhaust Upgrade, Audi B7 S4 Exhaust Upgrade, Audi Quattro Headers, Audi V8 Exhaust, Audi S4 Stainless Headers, Audi S4 Performance Exhaust, Audi S4 Off Road Headers, Audi Long Tube Exhaust Manifold, Audi S4 Cat Delete Headers, Audi 4.2 V8 Exhaust Manifold, XS-POWER Audi Headers, SSAutochrome Audi Headers, Black Panther Motorsports Audi --- IMAGE ALT TEXT XS-POWER Audi B6 B7 S4 4.2L V8 Long Tube Headers and Downpipes manufactured from 304 stainless steel with heavy-duty 12mm thick 321 stainless flanges for maximum exhaust flow and performance. --- HASHTAGS #AudiS4 #B6S4 #B7S4 #Audi42V8 #AudiV8 #AudiPerformance #AudiHeaders #LongTubeHeaders #AudiExhaust #AudiQuattro #EuroPerformance #GermanPerformance #V8Power #PerformanceExhaust #StainlessHeaders #AudiBuild #AudiLife #CarMods #PerformanceParts #XSPOWER #SSAutochrome #BlackPantherMotorsports #BPM #OffRoadUseOnly #TrackCar #RaceCar #AudiTuning #ExhaustUpgrade #V8Sound #BuiltNotBought

Audi S4 headers are designed for serious performance. Built for the B6 and B7 platforms, this longtube header system includes full stainless-steel headers and downpipes that connect directly to the cat-back section. The off-road design removes catalytic converters for maximum flow. O2 extensions are needed, and minor adjustment to the transmission mount may be required during installation.

Made with high-grade materials, the flanges are 12mm thick and crafted from 321 stainless steel for strength and heat resistance. The pipes are 304 stainless steel with a 1.9mm wall thickness, providing durability and smooth exhaust flow. These Audi S4 B6 headers are built to handle aggressive setups and deliver consistent performance gains.

Product Specifications:

• Fitment: Audi S4 B6/B7 4.2L V8
• Header Type: Longtube
• Flanges: 12mm thick, 321 stainless steel
• Pipes: 1.9mm thick, 304 stainless steel
• System: Off-road (no catalytic converters)
• O2 Extensions: Required
• Connection: From headers to cat-back