A-1 Performance 'Lowdown" Racing Header 1 3/4" & 3" Muffler Fully Polished #LD134-DLXPWM

Maximum Clearance. Maximum Performance.

The A1 Lowdown Exhaust System is engineered for drivers who refuse to compromise. Whether you're building a dedicated drag racing machine or a Cal Look street car, this  system delivers serious horsepower gains without sacrificing fitment. This combination is built to Top Line Parts specifications to provide maximum horsepower out of a 1 3/4" header. 

Built for Two Worlds:

Drag Race ready - designed to maximize horsepower for competition use.

Street fitment - #2 & #4 pipes relocated for apron clearance and clears all engine tin.

Premium Construction:

T304 stainless steel throughout. Fully TIG welded for a clean, seamless finish. Smooth mandrel bends for optimized flow. V-band connector between header and muffler for easy installation and a secure seal.

Complete Kit:

Every Lowdown kit includes both the header, muffler and V-band clamp - everything you need, nothing you don't.