EGR Valve compatible for Toyota Prius 2010-2012 compatible for Prius V 2012 1.8L 0400458137 2562037120
1 Offer.jpg)
.jpg)
Secondary Air Injection Pump Check Valve compatible for Lexus GX460 compatible for Toyota Tundra V8 4.6L
1 Offer
Cast Iron Exhaust Manifold compatible for Ford F150 E150 1999-2008 4.2L 4.6L 5.4L 674-555
1 Offer.jpg)
Catalytic Converter compatible for Jeep Compass 2.0 L and 2.4L 2007- 2017 54735
1 Offer
EVAP Vapor Canister Assembly compatible for Toyota Avalon compatible for Camry Solara 911-630 VC4028 Black
1 Offer.jpg)
.jpg)
2002-2006 Nissan Sentra SE-R Spec V Exhaust Header for 2.5L QR25DE Engine - KSP Performance
1 Offer.jpg)
.jpg)
Exhaust Particulate Sensor compatible for CUMMINS SENSORA Replacement 0111531328 68299062AA
1 Offer
Exhaust Muffler Silencer compatible for Polaris Sportsman 500 4X4 1996-01 W/Donut
1 Offer.jpg)
Air Injection Assembly compatible for VW Passat compatible for Golf 1.8L 2015-2017 04E959231B
1 Offer.jpg)
Exhaust Turbo Manifold compatible for Chevy Silverado 1500 LT LS 4-Door 4.8L 5.3L 6.0L
1 Offer
Diesel Exhaust Fluid DEF Heater compatible for Ford 6.7L Powerstroke 2011-2016 BC3Z5J225A
1 Offer.jpg)
Air Injection Assembly compatible for VW Passat compatible for Golf 1.8L 2015-2017 04E959231B
1 Offer.jpg)
Exhaust Muffler Silencer compatible for Polaris RZR 800 RZR S 800 2012-2014 1262011-489
1 Offer
Vapor Canister compatible for Toyota Rav4 Fuel Vapor Charcoal Canister 911-634 VC4087 New
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.