aFe MACH Force-XP 304 SS Single Wall Polished Exhaust Tip Pair 4in Inlet x 6in Outlet x 15in L 1976-lancia-beta-base-esi9899264 NX4-HDR6 kit features ACT's most

NX4-HDR6 kit features ACT's most popular Heavy Duty pressure plate

Borla(r) Cat-Back(tm) & Axle-back exhaust systems feature patented straight-through and multi-core technology designed to unleash hidden horsepower

Finishing off the exhaust is a black

The smooth curves and increased diameter of this header helps remove restriction and keeps exhaust gas flowing smoothly for improved performance and durability

Hot side tube fitment

aFe MACH Force-XP 304 SS Single Wall Polished Exhaust Tip Pair 4in Inlet x 6in Outlet x 15in L 1976-lancia-beta-base-esi9899264 NX4-HDR6 kit features ACT's most100% TIG Welded by certified craftsmen for race proven strength and durability. TIG Welding provides the strongest welds reducing stress cracks. Paired opposite firing cylinders with equal, specifically tuned primary lengths maximizes scavenging and increases torque throughout the powerband. High grade stainless tubing with a uniform brushed finish provides a beautiful look and high resistance to corrosion. aFe has designed this system to retain all