Exhaust Manifold For 1998-2014 Chevrolet /// Chevy, Cadillac CTS Pontiac Firebird Engines GTO LS1 LS2 LS3 LS6 V8 LSX
1 Offer
1988-1997 chevy/gmc 1500 2500 305/350 stainless steel exhaust header cnc flange direct bolt-on
1 Offer
1923-1948 Hot Rod Sprint Car Headers for SBC 265-400 V8 Swap, 1-5/8" Polished Stainless Steel - KSP Performance
1 Offer.jpg)
EGR Valve w/ Gasket For International DT466E 7.6L 2003-06 1842593C92 5012976R91
1 Offer
Ford Exhaust Bellowed Up-Pipe Kit & Turbo Pedestal Ebp Valve Delete For 1999-2003 7.3L Ford Powerstroke Diesel
1 Offer
Exhaust Header Manifold for 1970–1987 Chevy SBC 267-400 V8 | Fits Camaro, Malibu, Monte Carlo, and Small Block Engines
1 Offer
1990-1997 Mazda Miata MX-5 Catback Exhaust System N1 Style 2.25" Mandrel Bent Stainless Steel - KSP Performance
1 Offer.jpg)
Exhaust Manifold For 1997-2015 Chevy Corvette Camaro Pontiac Firebird GTO with T3 T4 Elbows and 3.0 Inch V-Band LS1 LS2 LS3 LS6 V8
1 Offer
Exhaust Manifold Header Donwpipe for 1988-1995 Toyota 4Runner Pickup V6 3.0L - KSP Performance
1 Offer
1993-1997 Ford Probe GT Mazda MX-6 2.5L V6 Exhaust Header Stainless Steel Performance Upgrade Improves Horsepower and Exhaust Flow - KSP Performance
1 Offer
Exhaust Header For 1982-2004 Chevrolet Chevy GMC Swap Engines S10 LS 4.8L 5.3L 5.7L 6.0L 6.2L LS1 LS2 LS3 LS6
1 Offer
Exhaust Header For 1960-1987 Chevy C10 Chevelle Camaro Caprice LS1 LS2 LS3 LS6 LS9 LSX
1 Offer
Turbosmart 2017-2026 Honda Civic Si 2016-2026 Honda Civic RS 2016-2026 Honda Civic 1.5L Turbo L15B7 Kompact Supersonic Blow Off Valve TS-0203-1018
1 Offer
Turbosmart 2006-2012 Mazda CX7 2007-2013 Mazda 3 2005-2007 Mazda 6 Kompact Dual Port Blow Off Valve TS-0203-1009
1 Offer
DEF Doser Urea Pump Assembly compatible for Cummins Diesel Engine 2208766 4388105 5506956
1 OfferExhaust 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.