Improve SLR performance output up to 59HP with the RENNtech Exhaust upgrade consisting of SLR Header and SLR Race Muffler!

These RENNTECH SLR headers are developed and tested completely in house and improve the SLR perfromance ouput up to 44HP!

These headers are hand crafted  from the highest mandrel-bent seamless tubing with CNC machined stainless flanges which include integrated oxygen sensor mounting locations. Get the sound you have always dreamed of out of your SLR.

The addition of these headers creates a deep distinctive yet harmonious sound which is entirely unique to any other sports car on the road.

• These headers are also available with high performance sport catalytics.

Performance Gains:

• +33 HP

RENNtech stainless steel (SS) race mufflers are hand made and rigorously tested to provide maximum performance, dramatically reduce weight and produce an incredible sound.

Our freer flowing muffler weighs in at a scant 13 lbs per side with 100 cell catalytics versus the factory mufflers which weigh in at a hefty 60 lbs per side. That is a reduction in weight of 94 pounds across the front of the vehicle versus the stock system!

Better sound, huge weight savings and a performance gain of 26 Hp and 33 Lb/Ft; our exhaust is the ultimate performance upgrade for your SLR.

Performance Gains:

• +26 HP & 33 TQ