Quad Exit BMW 3-Series (G20) Rear Panel Diffuser Model_430i (G22) Coupe 20> Sound - Engine at Idle:

Sound - Engine at Idle: 64

The real difference is when driving and you actually get the bangs/cracks out of the exhaust under load (and at lower revs than before) and the downshifts are spot on

“Boost Safe” failsafe output included (for complete failsafe under all conditions

an increase of 22 whp and 23 lb-ft with a fantastic sound track to match

This is a performance induction kit for the E46 3 Series

Quad Exit BMW 3-Series (G20) Rear Panel Diffuser Model_430i (G22) Coupe 20> Sound - Engine at Idle:Fits: G20 Saloon Models with M Sport bodykit. This lower rear diffuser panel fits G20 models and attaches directly to the OEM fitting points of the M Sport rear bumper. Specifically designed to be fitted in conjunction with the Cobra Sport quad exit performance exhaust conversions for the BMW 3 series. This lower rear diffuser panel allows the conversion of the G20 models to a quad exit exhaust system and fits directly to the OEM fitting points of the