Pair Exhaust Manifold compatible for Ford Truck F100 F150 F250 F350 5.8L 6.4L 1965-76
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Catalytic Converter Kit compatible for Honda Accord 3.5L 2008-2013 Crosstour 3.5L 2010-2011
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Muffler compatible for Yamaha Rhino 700 YXR700 4X4 2008-20135B4E47100000 5B4-E4710-00-00
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Exhaust Header Downpipe Kit For 1990-1995 Toyota 4Runner Pickup 2.4L 4WD - KSP Performance
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Exhaust Header For 1988-1997 Chevy/GMC C/K 1500/2500 - Fits 305 and 350 Small Block 5.0L 5.7L V8
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Exhaust Manifold Header Downpipe for 1991-1995 Jeep Wrangler YJ 2.5L L4 Durable Replacement
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LS Vortec Downpipe for 99-13 Chevy GMC 4.8-6.2L 3.0" V-Band T4 Turbo Stainless Steel - KSP Performance
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Exhaust Header for Ford and Mercury Small Block SBF Hugger Style V8 260 289 302 Engines
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Exhaust Downpipe with Hardware For 2001-2016 Chevy Silverado GMC Sierra 2500HD 3500HD 6.6L Duramax Diesel
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Exhaust Manifold Headers for 1990-1993 Honda Accord 2.2L | with 2.5" Pipe & 4" Muffler Tip - KSP Performance
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Exhaust Header for 2004-2007 Cobalt SS and Ion Red Line 2.0L Ecotec LSJ Bolt-On No Welding - KSP Performance
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Exhaust Header For 2002-2006 Nissan Altima 3.5L VQ35DE V6, 1.75" Tubes, Better Flow - KSP Performance
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Exhaust Upgrades: Sound, Flow and Staying Legal
Written by the PickupChain team · Last reviewed October 17, 2026
Most truck exhaust upgrades are about sound and a small gain in flow. Axle-back systems replace only the muffler and tips and are the simplest. Cat-back systems replace everything behind the catalytic converter and give a bigger change in sound and flow.
Emissions parts are a different matter. Catalytic converters, diesel particulate filters and EGR systems are required by federal law on road vehicles. Removing them is illegal for street use in all 50 states and can fail inspection. Only buy emissions parts that are listed as legal replacements for your state.
California and states that follow CARB rules require an Executive Order (EO) number for many aftermarket parts. Look for CARB-legal labels if you live there.
Frequently Asked Questions
+Cat-back or axle-back exhaust?
Axle-back systems are cheaper, quicker to install and mainly change the sound. Cat-back systems replace more piping, change sound and flow more noticeably and often add a little power.
+Will a new exhaust cause drone on the highway?
Some aggressive systems produce a low hum at cruising speed called drone. Look for systems with resonators or descriptions that mention reduced drone if you drive long distances.
+Do I need a tune after an exhaust upgrade?
A cat-back or axle-back exhaust does not require a tune. Headers and downpipes often do, and they may affect emissions compliance.