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Exhaust Manifold compatible for Chevrolet LS1 LS2 LS3 4.8L 5.3L 6.0LCast Iron 9988-R-BLEM
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SBC Headers 1958+ for Chevy Small Block V8 283 350, 1 5/8" Stainless Steel Exhaust Manifold - KSP Performance
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2010 2011 2012 2013 2014 Chevy Equinox GMC Terrain & 2012 2013 2014 2015 Captiva Sport 2.4L Catalytic Converter
1 Offer
2001-2016 LLY LBZ LMM LML LB7 Duramax 6.6L Exhaust Up-Pipe(Passenger Side) for GMC Chevrolet Chevy
1 Offer
Catalytic Converter For 2005-2011 Frontier/2005-2012 Pathfinder/2005-2015 Xterra/2012-2017 NV1500
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3 Set Catalytic Converter compatible for Chevrolet Traverse 3.6L V6 2009-17 Stainless Steel
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Exhaust Muffler compatible for Honda Sportrax TRX300EX 2x4 1993-2008 300cc 18310-HM3-000
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Exhaust Muffler compatible for Yamaha Grizzly 700 4x4 FI YFM700FG 2008 2009 2010 2011-2013
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Pair Catalytic Converters compatible for Toyota Sienna 3.3L compatible for FWD 04-06 2505220190 600CPSI@M8Lpmw
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Manifold Catalytic Converter compatible for Mazda 3 2.0L / 2.3L Direct Fit 2004-2009
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3" Downpipe Exhaust for 2012-2015 VW Golf GTI MK7 2.0T Stainless Steel Mirror Polish - 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.