Rebuilt performance engines that are great for the street to track level
Engine if not in stock here or at S4S will take Race engine 120-180 days to build, ETA on site is estimate
Rebuilt performance engines that are great for the street to track level
Engine if not in stock here or at S4S will take Race engine 120-180 days to build, ETA on site is estimate
Featuring a Sport Hi-Flow Sport Cat with factory mounts for OEM exhausts
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Plug-and-play performance solution - Enjoy additional HP and Torque without voiding warranty!
Filter out the performance robbing oil mist in your crankcase vent system
Engages water-methanol system at 35PSI Adjustable from 25-50psi
Includes 2.5 gallon tank, red high temp nylon tubing, and quick-connect fittings
Average gain of 19 horsepower and 73 lb-ft of torque at the crank
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Quick connect union T-fitting for 1/4" Nylon
Your BMW's factory exhaust tips are fine for getting groceries, but if you've upgraded your valence or just want a rear-end aesthetic that matches your car's performance pedigree, "fine" doesn't cut it. It's time for an attitude adjustment.
10X Entries For Our 25th Anniversary Sweepstakes!