ISR Performance Exhaust Silencer 4 inch | IS-UNIS-4 vendor_HT Autos we ditched the skinny core

we ditched the skinny core and plastic end tanks for a full aluminum

ACT's SB2-HDG6 kit features a sprung

SuperPro's solid heavy duty adjustable front sway bar features 2-position adjustment

Air management system required (sold separately)

VW/Audi G 052 157

ISR Performance Exhaust Silencer 4 inch | IS-UNIS-4 vendor_HT Autos we ditched the skinny coreISR Performance Universal Exhaust Silencers 3" or 4" Can be used on any Exhaust system with 3" or 4" tips. Exhaust needs to be drilled to accommodate the Silencer set screw hole. Set Screw not included This item is non application specific. Please verify compatibility before purchase. May require some modification for proper installation. Note: ISR orders might take a day of processing. If you need it sooner, contact us directly.