Dinan Double-Walled 4" Clamp-On Exhaust Tip (Polished) Polished - 4" Outlet, 2.5" Inlet BMW X6 M E71 removes a large internal restriction

removes a large internal restriction at the PCV inlet

VF Engineering's Audi A6 Performance ECU software is expertly crafted to transform your driving experience

TIG-welded brackets

these features transform the raspiness of the S55 into a more agreeable Dinan inspired aural experience that keeps you wanting more

smoother and fuller exhaust note

Dinan Double-Walled 4" Clamp-On Exhaust Tip (Polished) Polished - 4" Outlet, 2.5" Inlet BMW X6 M E71 removes a large internal restrictionCan be used as a replacement tip for these Dinan exhaust kits: D660 0075 ( BLK). Polished 4" Outlet, 2. 5" Inlet Looking to replace old, or damaged, Dinan clamp on tips or want to customize your exhaust setup with some Dinan flair? Look no further than our polished or black ceramic coated, straight cut, double walled exhaust tips that are available in a variety of tip sizes, lengths and inlet diameters! The enlarged tips with classic styling features