Exhaust Muffler Pipe compatible for Honda Fourtrax 300 TRX300FW 4X4 2WD 4WD 1993-2000
1 Offer.jpg)
Exhaust Muffler Silencer compatible for Polaris Ranger 800 EFI 2010-2014 1262115-489
1 Offer.jpg)
2004 2005 2006 Chevy Colorado GMC Canyon & 2006 Hummer H3/Isuzu i-350 Catalytic Converter
1 Offer
Exhaust Manifold Header for 2003-2006 INFINITI 350Z Z33 G35 VQ35DE KSP Performance
1 Offer
2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 Toyota Tacoma 2.7L Catalytic Converter
1 Offer
Exhaust Header with Clamp and Gasket For 1991-2001 Jeep Cherokee/Wrangler 4.0L
1 Offer
Exhaust Header for 1985-1995 Suzuki Samurai 1.3L & 1989-1994 Sidekick Geo Tracker - KSP Performance
1 Offer
Exhaust Header For 1950-1967 Chevy and 1923-1954 GM Cars, Trucks and Cadillac Cars SWAP 350 Engine LS1 LSX
1 Offer
Catalytic Converter compatible for GMC Chevrolet C1500 C2500 K1500 K2500 5.7L 1996-2000 EPA
1 Offer.jpg)
.jpg)
Electric Secondary Air Injection Check Valve Control Solenoid compatible for Toyota 5.7L
1 Offer.jpg)
Exhaust Muffler compatible for Polaris Ranger 700 4x4 500 XP 2005-2009 1261298-489 w/Gasket
1 Offer
Exhaust Header Manifol for 1988-2000 Honda Civic CRX 1.5L 1.6L - KSP Performance
1 Offer
Exhaust Header For 1967-1987 Chevy All Small Block SB 262 265 283 305 327 350 400 V8
1 Offer.jpg)
.jpg)
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.