ISR Performance
ISR Performance - Silicone Coupler - 2.50" 45 Degree - Black
$33.00
Silicone Coupler - 2.50" 45 Degree - Black
ISR Performance - Silicone Coupler - 2.50" 90 Degree - Black
$33.00
Silicone Coupler - 2.50" 90 Degree - Black
ISR Performance - Silicone Coupler - 2.75 - 3.00" 45 Degree - Black
$33.00
Silicone Coupler - 2.75 - 3.00" 45 Degree - Black
ISR Performance - Silicone Coupler - 2.75 - 3.00" 90 Degree - Black
$33.00
Silicone Coupler - 2.75 - 3.00" 90 Degree - Black
ISR Performance - Silicone Coupler - 2.75" 45 Degree - Black
$33.00
Silicone Coupler - 2.75" 45 Degree - Black
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ISR Performance - Silicone Coupler - 3.00" 45 Degree - Black
-5%
$36.58
$38.50
Silicone Coupler - 3.00" 45 Degree - Black
ISR Performance - Silicone Coupler - 3.00" 90 Degree - Black
$33.00
Silicone Coupler - 3.00" 90 Degree - Black
-5%
ISR Performance - Silicone Coupler - 4.00" 90 Degree - Black
-5%
$41.80
$44.00
Silicone Coupler - 4.00" 90 Degree - Black
ISR Performance -6an High Pressure Power Steering Line Fitting w/ O-Ring - Nissan 240sx S13 S14
$12.00
This listing is for a brand new ISR Performance -6an High Pressure Power Steering Line Fitting w/ O-Ring. This is the same high quality fitting that are sold with ISR's high pressure power steering line kit. Application:...
-10%
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ISR Performance 1000cc Top Feed Injectors Kit Set of 4 - Nissan SR & RB Engines
-10%
$405.00
$450.00
These top feed 1000cc ISR Performance injectors are a high quality yet affordable option for your high performance build. These injectors are the perfect match for the ISR fuel rail / intake manifold combo for...
-5%
ISR Performance 16 Row Universal Oil Cooler Core
-5%
$151.53
$159.50
Optimize your engine’s performance and extend its lifespan with our ISR Performance Universal Oil Cooler Kit. Engineered for efficiency and durability, this kit features a highly effective 16-row oil cooler core, designed to maintain optimal oil temperatures...
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ISR Performance 2.5" MB SE Type E Dual Tip Catback Exhaust - Subaru WRX (2015-2020)
$725.00
This listing is for a brand new ISR Performance MBSE Type E Catback Exhaust System for the 2015+ Subaru WRX is designed with a stainless steel 3" mid-pipe that splits to dual 2.5" pipes leading...
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ISR Performance 2.5" Stainless Steel Circuit Spec Exhaust System - Mazda Miata NA 1.6 (1989-1993)
-5%
$574.75
$605.00
IS-CSEXH-NA16 - ISR Performance 2.5" Stainless Steel Circuit Spec Exhaust System - Mazda Miata NA 1.6 (1989-1993) This listing is for a brand new ISR Performance NA Miata exhaust that features the mid section and...
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ISR Performance 2.5" Stainless Steel Circuit Spec Exhaust System - Mazda Miata NA 1.8L (1994-1997)
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$574.75
$605.00
Mid section and tail section are standard and there are no variations available. The exhaust features 2.5'' brushed stainless steel piping and flanges, and a polished stainless steel muffler with 4'' tip. The current NA...
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ISR Performance 2.5" Stainless Steel Circuit Spec Exhaust System - Mazda Miata NB (1999-2005)
-5%
$574.75
$605.00
IS-CSEXH-NB - ISR Performance 2.5" Stainless Steel Circuit Spec Exhaust System - Mazda Miata NB (1999-2005) This listing is for a brand new ISR Performance NB Miata exhaust that features a 2 piece design. A...
ISR Performance 2.5" Stainless Steel Exhaust Y Pipe - Infiniti G35 VQ35DE RWD (2003-2007)
$315.00
The ISR Performance 350z / G35 Y-pipe utilizes 2.5" stainless steel piping along with bellowed flex sections running from the 2 bolt catalytic converter flanges back to the high performance velocity merge. The Y pipe...
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ISR Performance 2.5" Stainless Steel Exhaust Y Pipe - Infiniti G37 RWD (2007+)
-10%
$270.00
$300.00
The ISR Performance 370z / G37 Y-pipe utilizes 2.75" stainless steel piping along with bellowed flex sections running from the 2 bolt catalytic converter flanges back to the high performance velocity merge. The Y pipe...
ISR Performance 2.5" Stainless Steel Exhaust Y Pipe - Nissan Z33 350z (2003-2009)
$315.00
The ISR Performance 350z / G35 Y-pipe utilizes 2.5" stainless steel piping along with bellowed flex sections running from the 2 bolt catalytic converter flanges back to the high performance velocity merge. The Y pipe...
-10%
ISR Performance 2.5" Stainless Steel Exhaust Y Pipe - Nissan Z34 370z (2009+)
-10%
$270.00
$300.00
The ISR Performance 370z / G37 Y-pipe utilizes 2.75" stainless steel piping along with bellowed flex sections running from the 2 bolt catalytic converter flanges back to the high performance velocity merge. The Y pipe...
-8%
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ISR Performance 2.5"Front Joint Over Pipe - Scion FR-S (2012-2016)
-8%
$202.50
$220.00
ISR performance Cross Overpipe are made from 2.5", Stainless Steel . Unlike the factory 2.118" tubing with it's sharp, crimp type bends throughout, our ISR Performance have mandrel bent for smooth air flow allowing for...
-8%
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ISR Performance 2.5"Front Joint Over Pipe - Subaru BRZ (2012+)
-8%
$202.50
$220.00
ISR performance Cross Overpipe are made from 2.5", Stainless Steel . Unlike the factory 2.118" tubing with it's sharp, crimp type bends throughout, our ISR Performance have mandrel bent for smooth air flow allowing for...